[Coco] A way to recompile HDB-DOS with more fixed-address variable space

Arthur Flexser flexser at fiu.edu
Sun Feb 2 23:32:56 EST 2014


Long before you hit $2600, you'll run into the PMODE graphics area, which
starts at $E00.

Art


On Sun, Feb 2, 2014 at 10:56 PM, Juan Castro <jccyc1965 at gmail.com> wrote:

> Redefine the DFLBUF constant, from the current $0989 to, say, $09B9 if I
> need 48 bytes for my stuff. I realize I can't do that forever or I'll start
> messing with the DOS command who needs addess $2600 to load the bootstrap.
>
> Could I expect some nasty side-effect from some software if I do that?
>
> (In other news, I'm going to listen to the sage advice recently dispensed,
> abandon that "detect signature" scheme and just use conditional assembly
> for 16K ROMs.)
>
> Juan
>
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